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A219380

Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 nX7 array.

28, 103, 7472, 278221, 10491397, 336754108, 10160088596

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OFFSET

1,1

COMMENTS

Column 7 of A219381

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=3

..0..0..1..1..1..0..1....0..0..0..0..1..1..1....0..0..1..1..1..0..1

..0..0..1..1..1..0..0....0..0..0..0..1..0..1....0..0..1..1..1..0..0

..0..0..1..1..1..0..0....2..1..2..2..1..0..0....1..0..1..2..2..0..2

CROSSREFS

Sequence in context: A130281 A255218 A168254 * A263200 A223443 A201469

Adjacent sequences: A219377 A219378 A219379 * A219381 A219382 A219383

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 19 2012

STATUS

approved

URL: https://oeis.org/A219380

⇱ A219380 - OEIS